Yahoo TV

Of the new cases, four were among new arrivals and the other two were "stakeholders" already in the closed loop who had taken confirmatory tests. Of the four positive cases found among 529 Olympic-related arrivals at the airport on Sunday (January 23), one was an athlete or team official, according to a statement on the official Beijing 2022 website.

Beijing has quickly stepped up measures to block further spreading of the virus, with the Winter Olympics due to start on February 4, and China already in the Lunar New Year holiday travel season.

Mainland China reported 57 new COVID-19 cases on Sunday, up from 56 cases a day earlier, the country's national health authority said on Monday (January 24).